fix: use %w for errors (#370)

Signed-off-by: Chris Gianelloni <[email protected]>

Author: wolf31o2

internal/config/config.go

@@ -109,19 +109,19 @@ func Load(configFile string) (*Config, error) {
 	if configFile != "" {
 		buf, err := os.ReadFile(configFile)
 		if err != nil {
-			return nil, fmt.Errorf("error reading config file: %s", err)
+			return nil, fmt.Errorf("error reading config file: %w", err)
 		}
 		err = yaml.Unmarshal(buf, globalConfig)
 		if err != nil {
-			return nil, fmt.Errorf("error parsing config file: %s", err)
+			return nil, fmt.Errorf("error parsing config file: %w", err)
 		}
 	}
 	// Load config values from environment variables
 	// We use "dummy" as the app name here to (mostly) prevent picking up env
 	// vars that we hadn't explicitly specified in annotations above
 	err := envconfig.Process("dummy", globalConfig)
 	if err != nil {
-		return nil, fmt.Errorf("error processing environment: %s", err)
+		return nil, fmt.Errorf("error processing environment: %w", err)
 	}
 	// Populate network magic value from network name
 	if globalConfig.Node.Network != "" {

internal/node/node.go

@@ -46,14 +46,14 @@ func GetConnection(connCfg *ConnectionConfig) (*ouroboros.Connection, error) {
 		ouroboros.WithLocalTxSubmissionConfig(buildLocalTxSubmissionConfig()),
 	)
 	if err != nil {
-		return nil, fmt.Errorf("failure creating Ouroboros connection: %s", err)
+		return nil, fmt.Errorf("failure creating Ouroboros connection: %w", err)
 	}
 
 	if cfg.Node.Address != "" && cfg.Node.Port > 0 {
 		// Connect to TCP port
 		if err := oConn.Dial("tcp", fmt.Sprintf("%s:%d", cfg.Node.Address, cfg.Node.Port)); err != nil {
 			return nil, fmt.Errorf(
-				"failure connecting to node via TCP: %s",
+				"failure connecting to node via TCP: %w",
 				err,
 			)
 		}
@@ -63,11 +63,11 @@ func GetConnection(connCfg *ConnectionConfig) (*ouroboros.Connection, error) {
 			if os.IsNotExist(err) {
 				return nil, fmt.Errorf("node socket path does not exist: %s", cfg.Node.SocketPath)
 			} else {
-				return nil, fmt.Errorf("unknown error checking if node socket path exists: %s", err)
+				return nil, fmt.Errorf("unknown error checking if node socket path exists: %w", err)
 			}
 		}
 		if err := oConn.Dial("unix", cfg.Node.SocketPath); err != nil {
-			return nil, fmt.Errorf("failure connecting to node via UNIX socket: %s", err)
+			return nil, fmt.Errorf("failure connecting to node via UNIX socket: %w", err)
 		}
 	} else {
 		return nil, errors.New("you must specify either the UNIX socket path or the address/port for your cardano-node")

internal/utxorpc/sync.go

@@ -197,7 +197,7 @@ func (s *chainSyncServiceServer) FollowTip(
 	} else {
 		tip, err := oConn.ChainSync().Client.GetCurrentTip()
 		if err != nil {
-			return fmt.Errorf("failed to get tip: %s", err)
+			return fmt.Errorf("failed to get tip: %w", err)
 		}
 		if tip != nil {
 			point = tip.Point